A tribunal of this State shall apply Parts I through VI of this subtitle and, as applicable, Part VII, to a support proceeding involving: a foreign support order; a foreign tribunal; or an obligee, obligor, or child residing in a foreign country. A tribunal of this State that is requested to recognize and enforce a support order on the basis of comity may apply the procedural and substantive provisions of Parts I through VI of this subtitle. Part VII of this subtitle applies only to a support proceeding under the Convention. In such a proceeding, if a provision of Part VII is inconsistent with Parts I through VI, Part VII controls.